The Baby Einstein Sea Dreams Soother is designed to help calm your baby. It has four soothing modes where you can have the ocean sounds only, the ocean sounds with lights and motion, melodies only, or melodies with lights and motion. There’s a drift off feature where the lights soften and the music goes down gradually every 10 minutes to help the baby fall asleep. The Sea Dreams Soother fits most crib rails or can be used bedside for toddlers.